EP0593891B1 - Cooking plate - Google Patents

Cooking plate Download PDF

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Publication number
EP0593891B1
EP0593891B1 EP93114529A EP93114529A EP0593891B1 EP 0593891 B1 EP0593891 B1 EP 0593891B1 EP 93114529 A EP93114529 A EP 93114529A EP 93114529 A EP93114529 A EP 93114529A EP 0593891 B1 EP0593891 B1 EP 0593891B1
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EP
European Patent Office
Prior art keywords
cooking
function part
plate according
cooking plate
function
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93114529A
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German (de)
French (fr)
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EP0593891A1 (en
Inventor
Herwig Scheidler
Martin Taplan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schott AG
Carl Zeiss AG
Original Assignee
Carl Zeiss AG
Schott Glaswerke AG
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Publication of EP0593891A1 publication Critical patent/EP0593891A1/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/08Arrangement or mounting of control or safety devices
    • F24C7/082Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/10Tops, e.g. hot plates; Rings
    • F24C15/102Tops, e.g. hot plates; Rings electrically heated
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/68Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H05B3/74Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits

Definitions

  • the invention relates to a hob according to the preamble of patent claim 1.
  • touch control switches do not always work properly.
  • the touch control switches react to the capacitive change when a finger touches the top of the glass ceramic.
  • the sensor responds more or less quickly. This unreliable response behavior ultimately leads to user dissatisfaction.
  • the object of the invention is, starting from the cooktop mentioned at the outset, to accommodate functional elements in the working area of the cooktop which have a reliable response behavior and allow simple and inexpensive replacement in the event of damage, while maintaining the flatness of the cooktop and possibly enhancing the visual appearance (design ) of the entire hob.
  • the invention provides a simple solution to the problem by physically separating the cooking surface area from the functional area.
  • the functional area is still at risk of breakage due to the recesses it requires, but these functional areas are easily interchangeable.
  • the entire hob is not to be replaced here, only the damaged unit, the functional part.
  • Another advantage is that the continuous flat character of the hob is retained in the cooktop according to the invention and the functional area is designed in a variety of ways in terms of design and can thus be used in a wide variety of designs with the same cooktop design.
  • the person skilled in the art has a number of options for arranging the functional areas within the cooktop.
  • the functional areas are expediently housed in the corner areas of the hob. It is also conceivable to design a coherent section of the hob as a functional area. In this way you get a central operator panel.
  • segment-like structure (modular structure) is to be understood as the possibility of combining, in a product family, both hobs (different colors, grids, radiator types) and functional elements in different configurations. This enables the designer to design the entire hob in a very varied manner, but at a lower cost, since only a few different basic components can be manufactured.
  • the opening is closed with a permanently elastic silicone adhesive in the manner of a membrane flush with the surface of the functional part, so that the top of the functional area is still planar and there is also flexibility in this area filled with silicone, to operate a short stroke switch underneath.
  • the opening in the cooking surface filled with silicone adhesive acts like a membrane. Short changes in path by pressing with your finger are transferred to a short-stroke switch underneath.
  • Fig. 1 shows a schematic representation in plan view of a hob 1 with four cooking surfaces 1, 2, 3 and 4 in the form of a glass-glass ceramic cover.
  • the number of cooking surfaces is only an example; the hob can have any usual number of cooking surfaces.
  • the specified material is also a preferred embodiment. Other materials which are suitable for training as cooking surfaces can also be used, in particular those made of brittle materials.
  • the (not shown) functional elements such as switches, signal lamps etc. are combined in functional areas 6, 7, 8 and 9, which, designed as functional parts (units), are spatially separated from the cooking surfaces 2-5 and are separately replaceable, as described later Figures will be explained in more detail.
  • the functional areas 6-9 are accommodated in the corner area of the hob 1.
  • the functional area can be limited to one corner or occupy several corners, up to four corners, as shown, depending on how many cooking surfaces are to be combined in terms of operation.
  • the hob of FIG. 2 differs from that of FIG. 1 in that instead of occupying the corner areas, a complete section 10 of the hob is designed as a functional area, ie as an interchangeable functional unit. Such a design allows the functional area 10 to be designed as a central operator panel for the entire hob.
  • FIGS. 3-5 show cooktops in which the functional areas are arranged symmetrically to one another on two sides of the cooktop. 3 and 4, the functional areas are designed as part of polygons. In Fig. 3, the functional part has a trapezoidal cross-section, in Fig. 4 a center-symmetrical triangular cross-section.
  • FIG. 5 shows an embodiment in which the functional area is designed as sections 13a and 13b of oval cooktops. 3-5, it is conceivable to build up the hob in segments and thus to use the interchangeable functional unit as a special designer element.
  • segment-like structure (modular structure) is to be understood as the possibility to combine both cooktops (different colors, grids, radiator types) and functional elements in different configurations in a product family. This enables the designer to design the entire hob in a very varied manner, but at a lower cost, since only a few different basic components can be manufactured.
  • FIG. 6-8 show various options for making openings in the functional part covers for receiving the functional elements such as switches, signal lamps or electronic or electromechanical components.
  • FIG. 6 shows the functional corner area 6 according to FIG. 1 with a round opening 14, whereas in FIG. 7 the same corner area 6 is shown with a square opening 15.
  • FIG. 8 shows the functional area 10 according to FIG. 2 with two round openings 16, 17, an oval opening 18 and a diamond-shaped opening 19.
  • FIGS. 9 and 10 show the accommodation of a functional element in the form of a switch in the openings using two typical examples.
  • a manually operable switch 20 is shown in the functional part 6 or in the opening 14 therein (corresponding to the embodiment in FIG. 6), which does not end flush with the surface of the functional part.
  • the opening 14, as shown in FIG. 10, with a permanently elastic is advantageous Silicone adhesive 22 closed flush with the surface of the functional part 6.
  • This has the advantage that the top is still flat and there is also flexibility in this area filled with silicone in order to actuate a short-stroke switch 21 underneath.
  • the opening 14 in the functional part 6 filled with silicone adhesive 22 acts like a membrane. Short changes in path by pressing with your finger can be transferred to the short-stroke switch 21 located below. With a perfectly sealed and hygienic surface, a function of the hob can be switched on or off very safely and reliably. The disadvantages of the capacitive touch control switch are eliminated with this design.
  • FIGS. 9 and 10 represent only selected examples and that other functional elements in differently designed functional areas (e.g. those according to FIGS. 2-5) are adequately included in the corresponding openings.
  • Fig. 11 shows an exploded view of an embodiment based on FIGS. 1 and 6.
  • the hob 1 is completely enclosed by a frame 24, with at least one corner for receiving the functional part 6 as a replaceable insert module with the opening 14 or its Insert frame 23 is recessed.
  • the frame 24 in the corner areas is removed from the hob according to FIG. 12 (exploded view) and integrated as position 24a with the functional part 6, so that it can be attached to a hob as a complete add-on module.
  • the functional areas 6-9, 10, 11, 12 and 13 can therefore either be used as a replaceable insert module in a frame that surrounds the entire hob (Fig. 11) or as a complete add-on module to a hob (Fig. 12), in both
  • the switch element (not shown) can already be integrated in the opening 14 and is connected to the cooktop by appropriate plug connections 25 when it is inserted.
  • FIGS. 13 and 14 show, in a sectional view, an example of a basic structural embodiment for an insert module according to FIG. 11, FIG. 13 showing the state before insertion and FIG. 14 showing the installed state in an exploded view.
  • the cutting direction runs along the central perpendicular into the hob top (left edge in the figures).
  • a frame 23 (FIG. 11) is glued to the triangular functional unit 6 with the opening 14.
  • the frame is provided with bending tabs 23a along the cathets of the triangle and has a clamping tab 23b along its hypothenus side.
  • the hob 1 has an L-shaped design with a suitable adhesive glued retaining web 26, which continues in the free hob (see Fig. 11) along the border frame 24 and is attached to this.
  • the functional part, the "functional corner” can be clamped with its clamping tab 23b into the L-shaped retaining web 26 of the hob and then fully inserted into the frame 24.
  • the bending tabs 23a on the catheter sides can now be bent over and thus give the functional corner sufficient mechanical support. This installed state is shown in Fig. 14.
  • the circumferential air gap "x" between hob 1 on the one hand and border frame 24 on the other hand can be filled with silicone 27.
  • a suitable release agent e.g. Molikote
  • the functional corner with a vulcanized adhesive edge, in particular a molded silicone rubber edge, prior to installation and to press it tightly into the cooktop.
  • a vulcanized adhesive edge in particular a molded silicone rubber edge
  • only the bending tabs have to be turned over after the functional corner has been pressed in.
  • the advantage here is that there is no need to subsequently fill the air gap with silicone adhesive and an extremely simple exchange is made possible.
  • This installation principle is of course not only limited to the triangular functional areas shown, but also applies to others, e.g. square, rectangular or semicircular functional areas.
  • the patent DE 31 04 114 C2 describes a glass ceramic cooktop with a vulcanized silicone rubber edge, which is used interchangeably in a sealing frame. In the event of damage, however, the entire expensive cooking surface must be replaced. In the present invention, the functional area at risk of breakage can be replaced independently of the cooking surface.
  • the functional corner can also be attached to the hob frame by means of screw elements.
  • Screw bolts 28 are glued flat to the functional part 6, the L-shaped retaining web 26 having bores for receiving the bolts which can be screwed to the retaining web by means of nuts 29.
  • the air gap between the hob and the frame is also sealed in this embodiment, for example with a silicone adhesive 27.
  • FIGS. 13-15 are only examples of a large number of fastening options, which can in principle be carried out by means of bending tabs, by means of screwing or by means of clips or clamping devices.

Description

Die Erfindung bezieht sich auf ein Kochfeld nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a hob according to the preamble of patent claim 1.

Ein derartiges Kochfeld, bei dem die Schalter, Anzeigelampen, elektronische bzw. elektromechanische Bauteile in dem Arbeitsbereich der Kochfläche untergebracht sind, mit einem sog. "Touch-Control-Schalter" als Funktionselement, ist auf dem Markt durch die Berührungsschalter der Fa. E.G.O. Elektrogerätebau GmbH bzw. durch die FR 2 658 591 A1 bekannt geworden, siehe auch die US-A-4 511 781.Such a hob, in which the switches, indicator lights, electronic or electromechanical components are housed in the working area of the cooking surface, with a so-called "touch control switch" as a functional element, is available on the market through the touch switches from E.G.O. Elektrogerätebau GmbH or FR 2 658 591 A1, see also US-A-4 511 781.

Die Praxis hat gezeigt, daß diese Touch-Control-Schalter nicht immer einwandfrei arbeiten. Die Touch-Control-Schalter reagieren auf die kapazitive Änderung, wenn ein Finger die Glaskeramik-Oberseite berührt. Abhängig von der Feuchtigkeit des Fingers bzw. der Feuchtigkeit der Glaskeramik-Oberseite spricht jedoch der Sensor mehr oder weniger schnell an. Dieses unzuverlässige Ansprechverhalten führt letztlich zur Unzufriedenheit des Benutzers.Practice has shown that these touch control switches do not always work properly. The touch control switches react to the capacitive change when a finger touches the top of the glass ceramic. Depending on the moisture of the finger or the moisture of the glass ceramic top, the sensor responds more or less quickly. This unreliable response behavior ultimately leads to user dissatisfaction.

Nun könnte man daran denken, das Problem in der Weise zu lösen, daß man Bohrungen in die Kochfläche einbringt und entsprechende Schalter oder Anzeigeleuchten ein- oder hindurchführt. Das Problem hierbei ist nun wieder, daß die Kochfläche dadurch in ihrer Festigkeit reduziert wird und bei Beschädigung die gesamte Kochfläche unbrauchbar wird. Sollen diese Funktionselemente zusätzlich feuchtigkeitsdicht befestigt werden, ist eine Verklebung notwendig. Fällt dann jedoch das Funktionselement aus, läßt es sich nur schwer oder überhaupt nicht aus der Kochfläche lösen.One could think of solving the problem by drilling holes in the cooking surface and inserting or passing appropriate switches or indicator lights. The problem here is that the cooking surface is reduced in strength and the entire cooking surface becomes unusable if damaged. These functional elements should be additional attached moisture-proof, gluing is necessary. However, if the functional element fails, it is difficult or impossible to remove it from the hob.

Aufgabe der Erfindung ist es, ausgehend von dem eingangs bezeichneten Kochfeld, Funktionselemente im Arbeitsbereich der Kochfläche unterzubringen, die ein zuverlässiges Ansprechverhalten besitzen und einen einfachen und kostengünstigen Austausch bei Beschädigung erlauben, bei Beibehaltung der Ebenheit der Kochfläche und ggf. Aufwertung des optischen Erscheinungsbildes (Design) des gesamten Kochfeldes.The object of the invention is, starting from the cooktop mentioned at the outset, to accommodate functional elements in the working area of the cooktop which have a reliable response behavior and allow simple and inexpensive replacement in the event of damage, while maintaining the flatness of the cooktop and possibly enhancing the visual appearance (design ) of the entire hob.

Die Lösung dieser Aufgabe erfolgt durch die Merkmale des Patentanspruchs 1.This object is achieved by the features of patent claim 1.

Die Erfindung schafft auf einfache Weise eine Lösung des Problems durch körperliche Trennung des Kochflächenbereiches von dem Funktionsbereich. Der Funktionsbereich ist zwar weiterhin durch seine erforderlichen Aussparungen bruchgefährdet, allerdings sind diese Funktionsbereiche leicht austauschbar. Im Schadensfall ist hier nicht das gesamte Kochfeld auszutauschen, sondern nur die beschädigte Einheit, das Funktionsteil. Ein weiterer Vorteil ist, daß bei dem erfindungsgemäßen Kochfeld der durchgehende ebene Charakter des Kochfeldes erhalten bleibt und der Funktionsbereich designmäßig unterschiedlichst gestaltet wird und so bei ansonsten gleicher Kochfeldausführung zu unterschiedlichsten Ausführungen genutzt werden kann.The invention provides a simple solution to the problem by physically separating the cooking surface area from the functional area. The functional area is still at risk of breakage due to the recesses it requires, but these functional areas are easily interchangeable. In the event of damage, the entire hob is not to be replaced here, only the damaged unit, the functional part. Another advantage is that the continuous flat character of the hob is retained in the cooktop according to the invention and the functional area is designed in a variety of ways in terms of design and can thus be used in a wide variety of designs with the same cooktop design.

Neben dem vorzugsweise aus dem gleichen Werkstoff wie die Kochfläche ausgestalteten Funktionsbereich ist es auch in einer weiteren Ausgestaltung der Erfindung denkbar, diesen aus einem anderen Werkstoff herzustellen (beispielsweise Email oder Stahlblech). Dadurch wird der konstruktive und gestalterische Spielraum bemerkenswert erhöht.In addition to the functional area, which is preferably made of the same material as the cooking surface it is also conceivable in a further embodiment of the invention to produce it from a different material (for example enamel or sheet steel). This remarkably increases the constructive and creative scope.

Für die Anordnung der Funktionsbereiche innerhalb des Kochfeldes stehen dem Fachmann eine Reihe von Möglichkeiten zur Verfügung. Um eine dezentrale Betätigung der Funktionselemente der einzelnen Kochflächen zu ermöglichen, werden die Funktionsbereiche zweckmäßig in den Eckbereichen des Kochfeldes untergebracht. Es ist auch denkbar, einen zusammenhängenden Abschnitt des Kochfeldes als Funktionsbereich auszubilden. Auf diese Weise erhält man ein zentrales Bedienerfeld.The person skilled in the art has a number of options for arranging the functional areas within the cooktop. In order to enable decentralized actuation of the functional elements of the individual cooking surfaces, the functional areas are expediently housed in the corner areas of the hob. It is also conceivable to design a coherent section of the hob as a functional area. In this way you get a central operator panel.

Grundsätzlich ist es auch denkbar, den Funktionsbereich als Teil von vieleckigen bzw. Abschnitten von ovalen Kochfeldern auszugestalten. Hierbei ist es denkbar, das Kochfeld segmentweise aufzubauen und damit die austauschbare Funktionseinheit auch als besonderes designerisches Element einzusetzen.In principle, it is also conceivable to design the functional area as part of polygonal or sections of oval cooktops. It is conceivable to build up the hob in segments and thus to use the interchangeable functional unit as a special designer element.

Unter dem Begriff "segmentartiger Aufbau" (modularer Aufbau) soll die Möglichkeit verstanden werden, in einer Produktfamilie sowohl Kochfelder (unterschiedliche Farben, Raster, Heizkörpertypen) als auch Funktionselemente in unteschiedlicher Ausgestaltung beliebig zu kombinieren. Dies ermöglicht dem Designer eine sehr variantenreiche Gestaltung des gesamten Kochfeldes, bei jedoch kostengünstiger Herstellung, da nur wenige unterschiedliche Grundbausteine zu fertigen sind.The term "segment-like structure" (modular structure) is to be understood as the possibility of combining, in a product family, both hobs (different colors, grids, radiator types) and functional elements in different configurations. This enables the designer to design the entire hob in a very varied manner, but at a lower cost, since only a few different basic components can be manufactured.

In einer weiteren vorteilhaften praxisgerechten Ausgestaltung der Erfindung ist der Durchbruch mit einem dauerelastischen Silikonkleber nach Art einer Membran bündig mit der Oberfläche des Funktionsteiles geschlossen, so daß die Oberseite des Funktionsbereiches weiterhin planeben ausgestaltet ist und zusätzlich in diesem mit Silikon ausgefüllten Bereich eine Flexibilität gegeben ist, um einen darunterliegenden Kurzhubschalter zu betätigen. Der mit Silikonkleber ausgefüllte Durchbruch in der Kochfläche wirkt in diesem Fall wie eine Membran. Kurze Wegänderungen durch Aufdrücken mit dem Finger werden auf einen darunter befindlichen Kurzhubschalter übertragen.In a further advantageous practical embodiment of the invention, the opening is closed with a permanently elastic silicone adhesive in the manner of a membrane flush with the surface of the functional part, so that the top of the functional area is still planar and there is also flexibility in this area filled with silicone, to operate a short stroke switch underneath. In this case, the opening in the cooking surface filled with silicone adhesive acts like a membrane. Short changes in path by pressing with your finger are transferred to a short-stroke switch underneath.

Anhand von in den Zeichnungen beschriebenen Ausführungsbeispielen, die weitere ausgestaltende Merkmale zeigen, wird die Erfindung näher beschrieben.The invention is described in more detail on the basis of exemplary embodiments described in the drawings, which show further design features.

Es zeigen:

Fig. 1-5
fünf verschiedene Möglichkeiten der Integration der Funktionsbereiche in das Kochfeld,
Fig. 6-8
verschiedene Möglichkeiten der Anbringung von Durchbrüchen in den Funktionsteil-Abdeckungen,
Fig. 9-10
zwei Möglichkeiten der Unterbringung von Schaltern in den Durchbrüchen der Funktionsteile,
Fig. 11
in einer Explosionsdarstellung die Unterbringung des Funktionsteiles als Einsatzmodul in das Kochfeld,
Fig. 12
in einer Explosionsdarstellung die Unterbringung des Funktionsteiles als komplettes Anbaumodul an ein Kochfeld, und
Fig. 13-15
zwei Möglichkeiten zur konstruktiven Befestigung des auswechselbaren Einsatzmoduls nach Fig. 11.
Show it:
Fig. 1-5
five different ways of integrating the functional areas into the hob,
Fig. 6-8
various options for making openings in the functional part covers,
Fig. 9-10
two ways of accommodating switches in the openings of the functional parts,
Fig. 11
in an exploded view the placement of the functional part as an insert module in the hob,
Fig. 12
in an exploded view the accommodation of the functional part as a complete add-on module to a hob, and
Fig. 13-15
two options for the structural attachment of the interchangeable insert module according to FIG. 11.

Die Fig. 1 zeigt in schematischer Darstellung in Draufsicht ein Kochfeld 1 mit vier Kochflächen 1, 2, 3 und 4 in Form einer Glas-Glaskeramikabdeckung. Die Zahl der Kochflächen ist nur beispielhaft; das Kochfeld kann jede übliche Anzahl von Kochflächen aufweisen. Auch der angegebene Werkstoff ist eine bevorzugte Ausführungsform. Es können auch andere Materialien, die sich für die Ausbildung als Kochflächen eignen, eingesetzt werden, insbesondere solche aus sprödbrüchigen Werkstoffen. Die (nicht dargestellten) Funktionselemente wie Schalter, Signallampen etc. sind in Funktionsbereichen 6, 7, 8 und 9 zusammengefaßt, die, als Funktionsteile (Einheiten) ausgebildet, von den Kochflächen 2-5 räumlich getrennt und separat austauschbar angeordnet sind, wie anhand späterer Figuren noch im einzelnen erläutert wird.Fig. 1 shows a schematic representation in plan view of a hob 1 with four cooking surfaces 1, 2, 3 and 4 in the form of a glass-glass ceramic cover. The number of cooking surfaces is only an example; the hob can have any usual number of cooking surfaces. The specified material is also a preferred embodiment. Other materials which are suitable for training as cooking surfaces can also be used, in particular those made of brittle materials. The (not shown) functional elements such as switches, signal lamps etc. are combined in functional areas 6, 7, 8 and 9, which, designed as functional parts (units), are spatially separated from the cooking surfaces 2-5 and are separately replaceable, as described later Figures will be explained in more detail.

Bei der Ausführung nach Fig. 1 sind die Funktionsbereiche 6-9 im Eckbereich des Kochfeldes 1 untergebracht. Hierbei kann sich der Funktionsbereich auf eine Ecke beschränken oder mehrere Ecken, bis zu vier Ecken, wie dargestellt, belegen, je nachdem, wieviel Kochflächen bedienungsmäßig zusammengefaßt werden sollen.In the embodiment according to FIG. 1, the functional areas 6-9 are accommodated in the corner area of the hob 1. The functional area can be limited to one corner or occupy several corners, up to four corners, as shown, depending on how many cooking surfaces are to be combined in terms of operation.

Das Kochfeld nach Fig. 2 unterscheidet sich von demjenigen nach Fig. 1 dadurch, daß anstelle der Belegung der Eckbereiche ein kompletter Abschnitt 10 des Kochfeldes als Funktionsbereich, d.h. als austauschbare Funktionseinheit, ausgebildet ist. Eine derartige Gestaltung erlaubt die Ausbildung des Funktionsbereiches 10 als zentrales Bedienerfeld für das ganze Kochfeld.The hob of FIG. 2 differs from that of FIG. 1 in that instead of occupying the corner areas, a complete section 10 of the hob is designed as a functional area, ie as an interchangeable functional unit. Such a design allows the functional area 10 to be designed as a central operator panel for the entire hob.

Die Figuren 3-5 zeigen Kochfelder, bei denen die Funktionsbereiche jeweils auf zwei Seiten des Kochfeldes symmetrisch zueinander angeordnet sind. Bei den Fig. 3 und 4 sind die Funktionsbereiche als Teil von Vielecken ausgestaltet. In Fig. 3 hat dabei das Funktionsteil jeweils einen trapezförmigen Querschnitt, in Fig. 4 einen mittensymmetrischen dreieckigen Querschnitt. Die Fig. 5 zeigt eine Ausführungsform, bei der der Funktionsbereich als Abschnitte 13a und 13b von ovalen Kochfeldern ausgestaltet ist. Bei diesen Ausführungen nach den Fig. 3-5 ist es denkbar, das Kochfeld segmentweise aufzubauen und damit die austauschbare Funktionseinheit auch als besonderes designerisches Element einzusetzen.FIGS. 3-5 show cooktops in which the functional areas are arranged symmetrically to one another on two sides of the cooktop. 3 and 4, the functional areas are designed as part of polygons. In Fig. 3, the functional part has a trapezoidal cross-section, in Fig. 4 a center-symmetrical triangular cross-section. FIG. 5 shows an embodiment in which the functional area is designed as sections 13a and 13b of oval cooktops. 3-5, it is conceivable to build up the hob in segments and thus to use the interchangeable functional unit as a special designer element.

Unter dem Begriff "segmentartiger Aufbau" (modularer Aufbau) soll die Möglichkeit verstanden werden, in einer Produktfamilie sowohl Kochfelder (unterschiedliche Farben, Raster, Heizkörpertypen) als auch Funktionselemente in unterschiedlicher Ausgestaltung beliebig zu kombinieren. Dies ermöglicht dem Designer eine sehr variantenreiche Gestaltung des gesamten Kochfeldes, bei jedoch kostengünstiger Herstellung, da nur wenige unterschiedliche Grundbausteine zu fertigen sind.The term "segment-like structure" (modular structure) is to be understood as the possibility to combine both cooktops (different colors, grids, radiator types) and functional elements in different configurations in a product family. This enables the designer to design the entire hob in a very varied manner, but at a lower cost, since only a few different basic components can be manufactured.

Neben den Anordnungen der Funktionsbereiche nach den Fig. 1-5 stehen dem Fachmann noch eine Fülle anderer Möglichkeiten zur Verfügung, die er je nach Zweckmäßigkeit, Stilrichtung etc. wählen wird.In addition to the arrangement of the functional areas according to FIGS. 1-5, the person skilled in the art has a plethora of other options available which he will choose depending on expediency, style, etc.

Die Fig. 6-8 zeigen verschiedene Möglichkeiten der Anbringung von Durchbrüchen in den Funktionsteil-Abdeckungen zur Aufnahme der Funktionselemente wie Schalter, Signallampen bzw. elektronische oder elektromechanische Bauteile. So zeigt die Fig. 6 beispielhaft den Funktions-Eckbereich 6 nach Fig. 1 mit einer runden Durchbrechung 14, wogegen in Fig. 7 derselbe Eckbereich 6 mit einer quadratischen Öffnung 15 dargestellt ist. Die Fig. 8 zeigt den Funktionsbereich 10 nach Fig. 2 mit zwei runden Durchbrüchen 16, 17, einem ovalen Durchbruch 18 und einem rautenförmigen Durchbruch 19.6-8 show various options for making openings in the functional part covers for receiving the functional elements such as switches, signal lamps or electronic or electromechanical components. For example, FIG. 6 shows the functional corner area 6 according to FIG. 1 with a round opening 14, whereas in FIG. 7 the same corner area 6 is shown with a square opening 15. FIG. 8 shows the functional area 10 according to FIG. 2 with two round openings 16, 17, an oval opening 18 and a diamond-shaped opening 19.

Auch sind rechteckige Durchbrüche bzw. solche mit anderen Querschnitten denkbar, die der Fachmann nach Gesichtspunkten der Zweckmäßigkeit wählen wird.Rectangular openings or those with other cross sections are also conceivable, which the person skilled in the art will choose from the point of view of expediency.

Es versteht sich, daß bei den Funktionsbereichen 11, 12 und 13 der Fig. 3-5 den Fig. 6-8 entsprechende Durchbrüche für die Funktionselemente vorgesehen sind, die der Einfachheit halber zeichnerisch nicht mehr gesondert dargestellt sind.It is understood that in the functional areas 11, 12 and 13 of FIGS. 3-5 there are openings for the functional elements corresponding to FIGS. 6-8, which for the sake of simplicity are no longer shown separately in the drawings.

In den Fig. 9 und 10 ist die Unterbringung eines Funktionselementes in Form eines Schalters in den Durchbrüchen anhand von zwei typischen Beispielen dargestellt.FIGS. 9 and 10 show the accommodation of a functional element in the form of a switch in the openings using two typical examples.

In Fig. 9 ist in dem Funktionsteil 6 bzw. in der Öffnung 14 darin (entsprechend der Ausführung in Fig. 6) ein von Hand betätigbarer Schalter 20 dargestellt, der nicht bündig mit der Oberfläche des Funktionsteiles abschließt.In FIG. 9, a manually operable switch 20 is shown in the functional part 6 or in the opening 14 therein (corresponding to the embodiment in FIG. 6), which does not end flush with the surface of the functional part.

Vorteilhaft wird jedoch der Durchbruch 14, wie in Fig. 10 dargestellt, mit einem dauerelastischen Silikonkleber 22 bündig mit der Oberfläche des Funktionsteiles 6 geschlossen. Dies hat den Vorteil, daß die Oberseite weiterhin planeben ausgestaltet ist und zusätzlich in diesem mit Silikon ausgefüllten Bereich eine Flexibilität gegeben ist, um einen darunterliegenden Kurzhubschalter 21 zu betätigen. Der mit Silikonkleber 22 ausgefüllte Durchbruch 14 in dem Funktionsteil 6 wirkt in diesem Fall wie eine Membran. Kurze Wegänderungen durch Aufdrücken mit dem Finger können auf den darunter befindlichen Kurzhubschalter 21 übertragen werden. Somit kann bei einwandfrei abgedichteter und hygienischer Oberfläche sehr sicher und zuverlässig eine Funktion des Kochfeldes ein- oder ausgeschaltet werden. Die Nachteile des kapazitiven Touch-Control-Schalters sind bei dieser Konstruktion eliminiert.However, the opening 14, as shown in FIG. 10, with a permanently elastic is advantageous Silicone adhesive 22 closed flush with the surface of the functional part 6. This has the advantage that the top is still flat and there is also flexibility in this area filled with silicone in order to actuate a short-stroke switch 21 underneath. In this case, the opening 14 in the functional part 6 filled with silicone adhesive 22 acts like a membrane. Short changes in path by pressing with your finger can be transferred to the short-stroke switch 21 located below. With a perfectly sealed and hygienic surface, a function of the hob can be switched on or off very safely and reliably. The disadvantages of the capacitive touch control switch are eliminated with this design.

Es versteht sich, daß die Anordnungen nach den Fig. 9 und 10 nur ausgewählte Beispiele darstellen, und daß andere Funktionselemente in anders gestalteten Funktionsbereichen (z.B. denjenigen nach den Fig. 2-5) in adäquater Weise in den entsprechenden Durchbrüchen aufgenommen sind.It is understood that the arrangements according to FIGS. 9 and 10 represent only selected examples and that other functional elements in differently designed functional areas (e.g. those according to FIGS. 2-5) are adequately included in the corresponding openings.

In den nachfolgenden Ausführungen wird anhand der Figuren 11-15 beschrieben, welche Möglichkeiten der konstruktiven Unterbringung der Funktionsteile in dem Kochfeld bestehen.In the following explanations it is described with reference to FIGS. 11-15 which possibilities there are for constructively accommodating the functional parts in the hob.

Die Fig. 11 zeigt in einer Explosionsdarstellung eine Ausführungsform auf der Basis der Fig. 1 und 6. Das Kochfeld 1 ist vollständig von einem Rahmen 24 umschlossen, wobei mindestens eine Ecke zur Aufnahme des Funktionsteiles 6 als auswechselbarer Einsatzmodul mit dem Durchbruch 14 bzw. seines Einsteckrahmens 23 ausgespart ist.Fig. 11 shows an exploded view of an embodiment based on FIGS. 1 and 6. The hob 1 is completely enclosed by a frame 24, with at least one corner for receiving the functional part 6 as a replaceable insert module with the opening 14 or its Insert frame 23 is recessed.

In einer Weiterbildung der Anordnung nach Fig. 11 ist bei dem Kochfeld nach Fig. 12 (Explosionsdarstellung) der Rahmen 24 in den Eckbereichen weggenommen und als Position 24a mit dem Funktionsteil 6 integriert, so daß dieses als komplettes Anbaumodul an ein Kochfeld angesetzt werden kann.In a development of the arrangement according to FIG. 11, the frame 24 in the corner areas is removed from the hob according to FIG. 12 (exploded view) and integrated as position 24a with the functional part 6, so that it can be attached to a hob as a complete add-on module.

Entsprechendes gilt für die Funktionsteile nach den Fig. 2-5.The same applies to the functional parts according to FIGS. 2-5.

Die Funktionsbereiche 6-9, 10, 11, 12 und 13 können daher entweder als auswechselbares Einsatzmodul in einen das ganze Kochfeld umschließenden Rahmen eingesetzt (Fig. 11) oder als komplettes Anbaumodul an ein Kochfeld angesetzt werden (Fig. 12), wobei in beiden Fällen bereits das Schalterelement (nicht dargestellt) im Durchbruch 14 integriert sein kann und durch entsprechende Steckverbindungen 25 mit dem Kochfeld beim Einsetzen verbunden wird.The functional areas 6-9, 10, 11, 12 and 13 can therefore either be used as a replaceable insert module in a frame that surrounds the entire hob (Fig. 11) or as a complete add-on module to a hob (Fig. 12), in both In cases where the switch element (not shown) can already be integrated in the opening 14 and is connected to the cooktop by appropriate plug connections 25 when it is inserted.

Die Fig. 13 und 14 zeigen in einer Schnittdarstellung beispielhaft eine prinzipielle konstruktive Ausführungsform für ein Einsatzmodul nach Fig. 11, wobei die Fig. 13 in einer Explosionsdarstellung den Zustand vor dem Einsetzen und Fig. 14 den Einbauzustand zeigt. Die Schnittrichtung verläuft entlang der Mittelsenkrechten in die Kochfeldecke (linke Kante in den Figuren).FIGS. 13 and 14 show, in a sectional view, an example of a basic structural embodiment for an insert module according to FIG. 11, FIG. 13 showing the state before insertion and FIG. 14 showing the installed state in an exploded view. The cutting direction runs along the central perpendicular into the hob top (left edge in the figures).

An die dreieckige Funktionseinheit 6 mit dem Durchbruch 14 ist ein Rähmchen 23 (Fig. 11) geklebt. Das Rähmchen ist entlang den Katheten des Dreiecks mit Biegelaschen 23a versehen und weist entlang seiner Hypothenusenseite eine Klemmlasche 23b auf. Das Kochfeld 1 besitzt einen L-förmig ausgebildeten, mit einem geeigneten Kleber angeklebten Haltesteg 26, der sich in der freien Kochfeldecke (siehe Fig. 11) längs des Einfaßrahmens 24 fortsetzt und an diesem befestigt ist. Das Funktionsteil, die "Funktionsecke", kann mit seiner Klemmlasche 23b in den L-förmig ausgebildeten Haltesteg 26 des Kochfeldes eingeklemmt und dann vollständig in den Rahmen 24 eingesetzt werden. Die Biegelaschen 23a auf den Kathetenseiten können nunmehr umgebogen werden und geben so der Funktionsecke ausreichend mechanischen Halt. Dieser Einbauzustand ist in Fig. 14 dargestellt.A frame 23 (FIG. 11) is glued to the triangular functional unit 6 with the opening 14. The frame is provided with bending tabs 23a along the cathets of the triangle and has a clamping tab 23b along its hypothenus side. The hob 1 has an L-shaped design with a suitable adhesive glued retaining web 26, which continues in the free hob (see Fig. 11) along the border frame 24 and is attached to this. The functional part, the "functional corner", can be clamped with its clamping tab 23b into the L-shaped retaining web 26 of the hob and then fully inserted into the frame 24. The bending tabs 23a on the catheter sides can now be bent over and thus give the functional corner sufficient mechanical support. This installed state is shown in Fig. 14.

In einem abschließenden Schritt kann nunmehr der umlaufende Luftspalt "x" zwischen Kochfeld 1 einerseits und Einfaßrahmen 24 andererseits mit Silikon 27 ausgefüllt werden. Zuvor werden die Klebeflächen des Rahmens und ggf. die Stirnseite der Kochfläche mit einem geeigneten Trennmittel (beispielsweise Molikote) behandelt, damit ein nachträglicher Austausch (im Schadensfall) problemlos möglich ist. Es ist allerdings auch denkbar, in den Luftspalt eine geeignete elastische Dichtschnur oder einen entsprechend ausgeformten elastischen Profilring einzusetzen.In a final step, the circumferential air gap "x" between hob 1 on the one hand and border frame 24 on the other hand can be filled with silicone 27. Before this, the adhesive surfaces of the frame and, if applicable, the front of the cooking surface are treated with a suitable release agent (e.g. Molikote), so that a subsequent exchange (in the event of damage) is possible without any problems. However, it is also conceivable to use a suitable elastic sealing cord or a correspondingly shaped elastic profile ring in the air gap.

Bei Einhaltung vorgegebener Toleranzen ist es in einer bevorzugten Ausführungsform möglich, die Funktionsecke vor dem Einbau mit einem anvulkanisierten Kleberand, insbesondere einem angeformten Silikongummirand zu versehen und in die Kochfeldecke dicht einzupressen. In diesem Fall sind nach dem Einpressen der Funktionsecke lediglich die Biegelaschen umzulegen. Der Vorteil hierbei ist, daß auf das nachträgliche Auffüllen des Luftspaltes mit Silikonkleber verzichtet werden kann und ein extrem einfacher Austausch ermöglicht wird.If the specified tolerances are observed, it is possible in a preferred embodiment to provide the functional corner with a vulcanized adhesive edge, in particular a molded silicone rubber edge, prior to installation and to press it tightly into the cooktop. In this case, only the bending tabs have to be turned over after the functional corner has been pressed in. The advantage here is that there is no need to subsequently fill the air gap with silicone adhesive and an extremely simple exchange is made possible.

Dieses Einbauprinzip beschränkt sich selbstverständlich nicht nur auf die dargestellten, dreieckigen Funktionsbereiche, sondern gilt gleichermaßen auch für andere, z.B. quadratische, rechteckige oder halbrunde Funktionsbereiche.This installation principle is of course not only limited to the triangular functional areas shown, but also applies to others, e.g. square, rectangular or semicircular functional areas.

In der Patentschrift DE 31 04 114 C2 wird zwar eine Glaskeramik-Kochfläche mit einem anvulkanisierten Silikongummirand beschrieben, welche austauschbar in einem Dichtrahmen eingesetzt wird. Im Schadensfall muß jedoch die gesamte teure Kochfläche ausgetauscht werden. Bei der vorliegenden Erfindung kann der bruchgefährdete Funktionsbereich unabhängig von der Kochfläche ausgetauscht werden.The patent DE 31 04 114 C2 describes a glass ceramic cooktop with a vulcanized silicone rubber edge, which is used interchangeably in a sealing frame. In the event of damage, however, the entire expensive cooking surface must be replaced. In the present invention, the functional area at risk of breakage can be replaced independently of the cooking surface.

Anstatt die Befestigung der "Funktionsecke" 6 mittels Klemmlasche 23b und Biegelasche 23a, wie in Fig. 14 dargestellt, vorzunehmen, kann die Funktionsecke auch mittels Schraubelementen an den Kochfeldrahmen befestigt werden.Instead of fastening the "functional corner" 6 by means of a clamping tab 23b and a bending tab 23a, as shown in FIG. 14, the functional corner can also be attached to the hob frame by means of screw elements.

Eine derartige Konstruktion zeigt Fig. 15 im Einbauzustand. An dem Funktionsteil 6 sind Schraubbolzen 28 flächig angeklebt, wobei der L-förmige Haltesteg 26 Bohrungen zur Aufnahme der Bolzen aufweist, die mittels Muttern 29 mit dem Haltesteg verschraubbar sind. Der Luftspalt zwischen Kochfeld und Einfaßrahmen ist auch bei dieser Ausführungsform abgedichtet, beispielsweise mit einem Silikonkleber 27.15 shows such a construction in the installed state. Screw bolts 28 are glued flat to the functional part 6, the L-shaped retaining web 26 having bores for receiving the bolts which can be screwed to the retaining web by means of nuts 29. The air gap between the hob and the frame is also sealed in this embodiment, for example with a silicone adhesive 27.

Die beiden in den Fig. 13-15 gezeigten Befestigungsmöglichkeiten stehen nur beispielhaft für eine große Anzahl an Befestigungsmöglichkeiten, die grundsätzlich mittels Biegelaschen, mittels Verschraubung oder mittels Klips oder Klemmvorrichtungen vorgenommen werden können.The two fastening options shown in FIGS. 13-15 are only examples of a large number of fastening options, which can in principle be carried out by means of bending tabs, by means of screwing or by means of clips or clamping devices.

Claims (15)

  1. A cooking plate having a cooking area (1) in the form of a glass/glass ceramic covering, which cooking area (1) has at least one cooking zone (2-5) and a function region (6-9; 10; 11-13) which is spatially separated from the cooking zones and in which the function elements, such as operating and display elements (20, 21), are integrated, characterized in that the function region has a function part (6-9; 10; 11-13) which is self-contained in modular manner and which has mechanical securing means (23, 26, 28, 29) which may be detached without destruction for separate exchange.
  2. A cooking plate according to Claim 1, characterized in that the covering of the function part is of the same material as the cooking area.
  3. A cooking plate according to Claim 1, characterized in that the covering of the function part is of a different material from the cooking area, such as enamel or steel plate.
  4. A cooking plate according to one of Claims 1-3, characterized in that the function part (6-9) is arranged in the corner region of the cooking plate (1).
  5. A cooking plate according to one of Claims 1-3, characterized in that, along at least one side of the cooking plate, the function part is constructed as a polygon (10; lla; llb; 12a; 12b) or as a semicircle (13a; 13b).
  6. A cooking plate according to one of Claims 1-5, characterized in that the covering of the function part has cutouts (14-19) for receiving function elements such as switches, signalling lamps or other electronic or electro-mechanical components (20, 21).
  7. A cooking plate according to Claim 6, characterized in that circular, oval, square or rectangular cutouts are provided.
  8. A cooking plate according to Claim 7, characterized in that the cutout (14-19) is sealed flush with the surface of the function part (6) on the cooking area side, by a permanently resilient silicone adhesive (22) in the manner of a diaphragm, and in that beneath the silicone adhesive diaphragm (22) there is arranged as the function element a short-stroke switch (21).
  9. A cooking plate according to one of Claims 1-8, characterized in that there is provided a frame (24) surrounding the entire cooking area (1) including the function part, in which frame (24) the function part (6-9; 10; 11-13) may be inserted in the associated recesses.
  10. A cooking plate according to one of Claims 1-8, characterized in that there is provided a frame (24) enclosing the cooking area (1) without the function part, and in that corresponding frame parts (24a) are secured to the function part (6), which may be fixed into the cooking area as a complete built-on module.
  11. A cooking plate according to Claim 9 or 10, characterized in that the associated function elements (20, 21) are integrated in the function part (6) before the latter is fitted into the cooking area (1), and in that the function part and the cooking plate have associated plug-type connectors (25).
  12. A cooking plate according to one of Claims 9-11, characterized in that there are provided, on the underside of the covering of the function part and on the cooking area (1) and the frame (24), mechanical securing means such as small frames (23), holding bars (26), clamping and bending brackets (23a, b), clips, screw connections (28, 29) or the like.
  13. A cooking plate according to one of Claims 9-12, characterized in that air gaps (x) between the function part (6) and cooking area (1) and the frame (24) are filled with a silicone adhesive (27) (Fig. 14).
  14. A cooking plate according to one of Claims 9-12, characterized in that air gaps between the function part (6) and cooking area (1) and the frame (24) are sealed off by a resilient sealing cord or a correspondingly shaped resilient profile ring.
  15. A cooking plate according to one of Claims 9-12, characterized in that the edge of the covering of the function part (6) is provided with an integrally formed silicone sealing edge.
EP93114529A 1992-10-20 1993-09-10 Cooking plate Expired - Lifetime EP0593891B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4235263A DE4235263C2 (en) 1992-10-20 1992-10-20 Cooktop
DE4235263 1992-10-20

Publications (2)

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EP0593891A1 EP0593891A1 (en) 1994-04-27
EP0593891B1 true EP0593891B1 (en) 1996-10-23

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EP93114529A Expired - Lifetime EP0593891B1 (en) 1992-10-20 1993-09-10 Cooking plate

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US (1) US5432320A (en)
EP (1) EP0593891B1 (en)
JP (1) JPH06201141A (en)
AU (1) AU663620B2 (en)
BR (1) BR9304259A (en)
CA (1) CA2108735A1 (en)
DE (2) DE4235263C2 (en)
ES (1) ES2093343T3 (en)

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DE59304285D1 (en) 1996-11-28
BR9304259A (en) 1994-04-26
DE4235263C2 (en) 1994-10-06
DE4235263A1 (en) 1994-04-21
CA2108735A1 (en) 1994-04-21
AU4865593A (en) 1994-05-05
EP0593891A1 (en) 1994-04-27
JPH06201141A (en) 1994-07-19
ES2093343T3 (en) 1996-12-16
US5432320A (en) 1995-07-11
AU663620B2 (en) 1995-10-12

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